11516155644671 has 2 divisors, whose sum is σ = 11516155644672. Its totient is φ = 11516155644670.

The previous prime is 11516155644577. The next prime is 11516155644689. The reversal of 11516155644671 is 17644655161511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11516155644671 - 2³⁴ = 11498975775487 is a prime.

It is a super-2 number, since 2×11516155644671² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11516155644971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5758077822335 + 5758077822336.

It is an arithmetic number, because the mean of its divisors is an integer number (5758077822336).

Almost surely, 2^{11516155644671} is an apocalyptic number.

11516155644671 is a deficient number, since it is larger than the sum of its proper divisors (1).

11516155644671 is an equidigital number, since it uses as much as digits as its factorization.

11516155644671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 53.

The spelling of 11516155644671 in words is "eleven trillion, five hundred sixteen billion, one hundred fifty-five million, six hundred forty-four thousand, six hundred seventy-one".